Senior IT Full stack developer (Focus on AWS & Python development)

Clariant

Permanent/ Regular Barcelona, Catalonia Computer Occupations

Posted:

February 19, 2026

Location:

Barcelona, Catalonia, Spain

Job Description

 
  Responsibilities 
  Design, develop, test, deploy and maintain applications and services on AWS using AWS services like Lambda, API Gateway, S3, DynamoDB, etc. 
  Develop backend applications and services using Python and leveraging AWS services through boto3 and langchain. 
  Full stack development using Angular, .Net and React 
 Containerize applications using Docker
 Work on serverless architecture and frameworks on AWS
 Implement LLMs specifically for Generative AI 
 Develop techniques for implementing prompt engineering best practices
 Perform debugging, monitoring and optimization of applications for high performance and scalability
 Setup CI/CD pipelines to automate testing, deployment and monitoring
 Full stack developer with knowledge in Angular, .Net and React

  Requirements 
  Expert knowledge of AWS se...
                

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Job Overview

Job Type: Permanent/ Regular

Location: Barcelona, Spain

Posted: February 19, 2026

Deadline: March 31, 2026